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Finding the Fourth Proportional to 496,586.88, 684,649.44 and 360,817.92

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Solution

The fourth proportional to 496,586.88, 684,649.44 and 360,817.92 is: 497,463.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,586.88 : 684,649.44 = 360,817.92 : x
  2. Step 2: Convert to fraction form
    496,586.88/684,649.44 = 360,817.92/x
  3. Step 3: Cross multiply
    496,586.88x = 684,649.44 × 360,817.92
  4. Step 4: Simplify right side
    496,586.88x = 247,033,786,869.97
  5. Step 5: Solve for x
    x = 247,033,786,869.97/496,586.88
  6. Step 6: Final answer
    x = 497,463.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.